“You’re seeing tech lagging and financials leading. This is some rotation on the back of the Senate vote,” said Lindsey Bell, investment strategist at CFRA.

In the early hours of Saturday morning, Senate Republicans managed to narrowly pass a bill to revamp the country’s tax system. The final vote came out as 51-49 in favor, after Republicans had to rework the bill late on Thursday.

“Everyone who owns stock is happy with the tax bill vote,” said Trip Miller, managing partner at Gullane Capital Partners. Net-net, this is good news for Corporate America.”

“Investors this week will look to see progress between the House and Senate’s joint bill,” said Nicholas Colas, co-founder of DataTrek Research. “Both chambers still have to reconcile differences between their bills, such as implementing corporate tax cuts immediately or in 2019.”

ABC News had initially reported on Friday, citing an unnamed source, that Flynn was getting ready to testify that he made proposals to the Russian ambassador at Trump’s request, during the run-up of the 2016 U.S. election. The media outlet went on to correct the report, stating that Flynn would likely say that Trump’s instructions had occurred after the election took place.

Shifting to corporate news, CVS Health said it will buy Aetna, a U.S. health insurer, for $69 billion. The agreement is seen as one of 2017’s biggest deals so far in the merger and acquisition (M&A) space. CVS shares slipped 3.4 percent, while Aetna rose 1.7 percent.

The Wall Street Journal also reported that a deal by Disney to buy some of 21st Century Fox’s assets is “gaining momentum,” despite speculation that the conversation between the two parties had cooled off. Disney shares rose 5.6 percent, while Fox shares gained 4 percent.